wherein V is the volume of the water body in the submerged area; a is a flood submerging area; (x, y) is epsilon A; d is a unit area infinitesimal of the submerged area; e_w(X, Y) is flood level elevation per unit area; e_g(X, Y) is the ground elevation per unit area.

As a further aspect of the invention: the specific steps of step S4 include:

performing superposition comprehensive analysis and processing on the submerging range analysis result of the stagnant flood area, the land utilization data, the administrative division data and the social and economic data of the stagnant flood area;

and (4) carrying out statistical analysis on the result data to obtain the total direct economic loss of various assets, and finally carrying out statistical calculation on the total direct economic loss in the whole flood inundation area to realize the evaluation on the flood disaster loss.

As a further aspect of the invention: the loss value calculation formula of various properties after flood is as follows:

wherein, C_zFor direct economic loss, n is the number of property types, m is the number of divisions according to the economic development level, W_ijFor the ith class financial value, eta, in the jth economic zone_ijThe loss rate of the ith property in the jth economic partition.

Compared with the prior art, by adopting the technical scheme, the invention has the following technical effects:

the system is characterized by comprising a model visualization module, an early warning treatment module, a gate control module and an evaluation analysis module. The hierarchical switching of the small scene and the refined BIM model can be realized, and the running three-dimensional panoramic display of the porous flood gate can be realized. The early warning processing module can perform early warning processing on abnormal conditions in time when the monitoring point data exceeds early warning values set according to various indexes of bearing capacity such as water level, water quantity and the like of a river and lake reservoir, the early warning processing module determines early warning levels, examines and approves processes, issues early warning bulletins and the like, and information issuing realizes timely issuing of various warning information, notification bulletins and the like. The gate control module is used for controlling and managing the gate opening, the evaluation analysis module is used for analyzing and calculating the flood submerging area, the flood storage capacity, the submerging depth and the like, and the disaster area and the loss condition are statistically analyzed.

Drawings

The following detailed description of embodiments of the invention refers to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a multi-hole flood gate visualization management system according to some embodiments of the present disclosure;

fig. 2 is a block flow diagram of a method of a multi-hole flood gate visualization management system according to some embodiments of the present disclosure.

In the figure: 1. a model visualization module; 2. an early warning handling module; 3. a gate control module; 4. and an evaluation analysis module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a visual management system for a multi-hole flood gate based on a GIS and BIM fusion technology includes amodel visualization module 1, an earlywarning handling module 2, agate control module 3, and an evaluation and analysis module 4.

Themodel visualization module 1 is used for establishing a three-dimensional GIS model and a BIM building model according to data information of flood control engineering for visualization display; themodel visualization module 1 is generally divided into three levels, namely a large scene, a small scene and a refined model. The large scene is realized through a three-dimensional GIS scene, the data of the three-dimensional GIS scene comprises high-resolution remote sensing image data and topographic data in an engineering range, and the three-dimensional GIS scene is constructed by fusing the high-resolution remote sensing image data and the topographic data through a Cesium three-dimensional engine; the small scene is realized by constructing a 3D max model of the flood gate, and the external structure of the flood gate engineering structure is constructed by utilizing 3D max three-dimensional modeling software; the refinement model refers to a flood gate BIM model, each component of the flood gate is set into a 'family' by using revit modeling software according to modeling rules, and the flood gate BIM model is created according to design. The factors such as the loading speed and the data carrying capacity of the model are considered, seamless transition can be achieved between the large scene and the small scene through fusion and release of the three-dimensional GIS and the 3D Max model, the BIM model is released independently, the small scene and the refined BIM model are switched in a hierarchy mode through clicking the small scene model, and the porous flood gate operation three-dimensional panoramic display is achieved.

The earlywarning processing module 2 is used for sending out early warning processing information according to the bearing capacity data such as water level, water quantity and the like of the flood control project and feeding back the early warning processing information to themodel visualization module 1; the earlywarning processing module 2 further comprises functions of monitoring information management, early warning processing management and the like. The monitoring information management system comprises monitoring points, real-time monitoring and monitoring data analysis, monitoring data of the monitoring points are uploaded to a database storage center through the Internet of things and the Internet technology in real time, monitoring information associates flood gate operation monitoring data information with a BIM building model through the database and component coding, the summary set of the monitoring information is completed, the monitoring information is conveniently called and checked through the model in real time, and visual analysis and processing of the data are facilitated. The monitoring data analysis can carry out real-time dynamic monitoring and analysis on monitoring data collected by instruments arranged on the gate body, when the monitoring data exceeds early warning values set according to various indexes of bearing capacity such as water level, water quantity and the like of a river and lake reservoir, timely early warning treatment is carried out on abnormal conditions, the early warning treatment comprises determination of early warning levels, process approval, issuing of early warning bulletins and the like, and information issuing realizes timely issuing of various kinds of warning information, notice bulletins and the like.

Thegate control module 3 is used for managing the opening of a gate according to the water flow data of the flood control project fed back by the earlywarning treatment module 2; meanwhile, the earlywarning disposal module 2 can release information to realize decision making and manage the gate opening, simulate a porous flood gate flood control working scene, and realize three-dimensional visualization of the flood control working scene.

And the evaluation analysis module 4 is used for collecting data, analyzing the data through a construction algorithm and feeding back the data to themodel visualization module 1. The evaluation analysis module 4 sets the flood submerging water level and selects grid units with elevations lower than the flood water level by determining grid units where model flood sources are located; and starting from the determined flood source grid units, the grid connectivity calculation analysis is realized, and all grid units which can be communicated together form a flood submerging range. The method is used for simulating a multi-hole flood gate flood-control working scene in a visualization platform, monitoring and displaying the water level situation of the water surface in the flood-control area range in real time, and realizing three-dimensional visualization of the flood-control working scene. And meanwhile, overlapping analysis is carried out on the submerging range analysis result and social and economic data of the impounded and stagnant flood area, and the disaster area and the loss condition are counted and analyzed.

In some specific embodiments, themodel visualization module 1 includes a database for data storage, and a sensor module connected to the database for data acquisition of the water level and the water amount. The sensor module adopts a water level detector, a water flow detector, a remote sensing detector, a rainwater meter and a flood gate monitor. The method is used for distributing and collecting data information in the target area.

In some specific embodiments, the earlywarning handling module 2 is connected to an information monitoring module for monitoring water level and water flow data of a flood protection project, and the information monitoring module is connected to the sensor module.

s2, setting monitoring points and acquiring monitoring data, transmitting the monitoring data to a database through a network for storage, simultaneously carrying out real-time dynamic monitoring and analysis on the monitoring data, and carrying out early warning, disposal and release, wherein the concrete steps comprise:

S3, establishing a terrain model of a flood storage and stagnation area, constructing an analysis algorithm, monitoring the water quantity and water level condition of the water surface in the flood control area range in real time, receiving early warning, disposing and issuing information and simulating a flood discharge working scene of a porous flood gate, and realizing the specific steps of three-dimensional visual display of the flood control and discharge working scene, wherein the steps comprise:

S4, performing superposition analysis on the submerging range analysis result of the stagnant flood area and the socioeconomic data of the stagnant flood area, and performing statistical analysis on the disaster area and the loss condition and feedback, wherein the concrete steps comprise:

In some specific embodiments, the calculation formula of the inundation range analysis result of the impoundment flooding area is as follows:

And aiming at the model of the regular grid, the water surface area of the submerged area is the area of the submerged rectangular grid. The above equation can be simplified as:

wherein D is_XFor spacing the grid x, D_YThe grids are spaced at y intervals, and N is the number of the submerged rectangular grids.

In some specific embodiments, the calculation formula of the loss values of the various types of properties after flooding is as follows:

wherein, C_zTo direct economic damageN is the number of property types, m is the number of divisions according to the economic development level, W_ijFor the ith class financial value, eta, in the jth economic zone_ijThe loss rate of the ith property in the jth economic partition. The flood loss rate is the ratio of the flood loss value of various disaster-bearing bodies to the original or due value of the flood-bearing bodies before the flood or in the normal year, and is a relative index for describing the direct economic loss of the flood. And determining the classified flood loss rate by surveying and calculating or according to historical experience according to the flood risk level and the submerging duration by taking the submerging water depth as an index of the flood risk level.

And determining the classification loss rate and the loss value of each grid unit asset under the flooding condition, gradually stacking upwards to obtain the total direct economic loss of various assets in each village, village (town) and county, and finally counting and calculating the total direct economic loss in the whole flood flooding area to realize the evaluation of the flood disaster loss.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, which should be construed as being within the scope of the invention.

Claims

1. The utility model provides a visual management system of porous flood control floodgate based on GIS and BIM fuse technique which characterized in that includes:

the model visualization module (1) is used for establishing a three-dimensional GIS model and a BIM building model according to data information of flood control engineering for visualization display;

the early warning disposal module (2) is used for sending out early warning disposal information according to the bearing capacity data such as water level, water quantity and the like of the flood control project and feeding back the early warning disposal information to the model visualization module;

the gate control module (3) is used for managing the opening of a gate according to the water flow data of the flood control project fed back by the early warning disposal model;

and the evaluation analysis module (4) is used for collecting data, analyzing the data through a construction algorithm and feeding back the data to the model visualization module.

2. The visual management system for the multihole flood gate based on the GIS and BIM fusion technology as claimed in claim 1, wherein the model visualization module comprises a database for data storage, and a sensor module connected to the database for data collection of water level and water amount.

3. The visual management system of a porous flood gate based on GIS and BIM fusion technology of claim 2, wherein the sensor module adopts a water level detector, a water flow detector, a remote sensing detector, a rainwater meter and a flood gate monitor.

4. The visual management system for the multi-hole flood gate based on the GIS and the BIM fusion technology as claimed in claim 1 or 3, wherein the early warning processing module is connected with an information monitoring module for monitoring water level and water flow data of flood protection engineering, and the information monitoring module is connected with the sensor module.

5. A management method comprising the visual management system for the multi-hole flood gate based on the GIS and BIM fusion technology as claimed in claims 1 to 4, characterized by comprising the following specific steps:

6. The method for managing the visual management system of the multi-hole flood gate based on the GIS and BIM fusion technology according to claim 5, wherein the specific steps of the step S2 include:

7. The method for managing the visual management system of the multi-hole flood gate based on the GIS and BIM fusion technology according to claim 5, wherein the specific steps of the step S3 include:

8. The management method of the visual management system for the multi-hole flood gate based on the GIS and the BIM fusion technology as claimed in claim 5, wherein the calculation formula of the analysis result of the flooding range of the impounded flood area is as follows:

9. The method for managing the multi-hole flood gate visualization management system based on the GIS and BIM fusion technology according to claim 5 or 8, wherein the specific steps of the step S4 include:

10. The management method of the visual management system for the multi-hole flood gate based on the GIS and the BIM fusion technology as claimed in claim 9, wherein the calculation formula of the loss values of the various properties after flood is as follows: